High · Regular · Grades 9 to 12
Monticello High School, Monticello, IL
Monticello High School is a public high school in Monticello, part of Monticello CUSD 25. It enrolled 489 students in 2024-25, with 13.6 students per full-time teacher.
Enrollment and teachers
- Students
- 489
- Teachers (FTE)
- 36.0
- Students per teacher
- 13.6
- Grades
- 9 to 12
This school's ratio is about the same as the district figure of 14.1. The Illinois average across schools is 13.7. Ratios count all teachers, including specialists, so they are lower than typical class sizes.
This school13.6
District14.1
Illinois13.7
United States15.3
School details
- Address
- 1 Sage Dr, Monticello, IL 61856
- Phone
- (217)762-8511
- District
- Monticello CUSD 25
- County
- Piatt County
- Level
- High
- Type
- Regular
- Status
- Open
- Charter
- No
- Virtual
- No
- Locale
- Town: Distant
- NCES school ID
- 172655002843
Related schools
We publish official enrollment and staffing data, not ratings or test scores.
Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.